// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef GIN_MODULES_MODULE_REGISTRY_OBSERVER_H_
#define GIN_MODULES_MODULE_REGISTRY_OBSERVER_H_

#include <string>
#include <vector>

#include "gin/gin_export.h"

namespace gin {

// Notified of interesting events from ModuleRegistry.
class GIN_EXPORT ModuleRegistryObserver {
public:
    // Called from AddPendingModule(). |id| is the id/name of the module and
    // |dependencies| this list of modules |id| depends upon.
    virtual void OnDidAddPendingModule(
        const std::string& id,
        const std::vector<std::string>& dependencies)
        = 0;

protected:
    virtual ~ModuleRegistryObserver() { }
};

} // namespace gin

#endif // GIN_MODULES_MODULE_REGISTRY_OBSERVER_H_
